deano87
Member
Registered: 21st Oct 06
Location: Bedfordshire Drives: Ford Fiesta
User status: Offline
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I can't afford an alarm at the moment but want some kind of better deterrent, especially as a mate has moved to a quiet part in Luton.
Is it possible to wire up to the headunit wiring? And I want it to work when the ignition is off.
I have no idea about electrical car wiring so any advice would be great.
If I paid someone to install this, how long would it take?
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deano87
Member
Registered: 21st Oct 06
Location: Bedfordshire Drives: Ford Fiesta
User status: Offline
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ttt 
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flybikeslee
Member
Registered: 2nd Jan 07
Location: Liverpool
User status: Offline
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5minutes, led from halfords, wire to live and earth, wouldnt be off when you drive though, forgot how to do that 
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islandofshame
Member
Registered: 24th Sep 06
Location: Airdrie, North Lanarkshire
User status: Offline
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take a permanent live feed from the back of ur headunit n put a switch on it? n jst flick the switch wen ur leavin the car at night? thats all i can think of
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FlameRedCorsa
Member
Registered: 20th Jun 02
Location: Leicester Drives: Astra GSi Turbo
User status: Offline
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Go to maplin and get a flashing red led, led holder and resister for 12v current.
You want a permanent live, you can use the back of your headunit and you want an ignition live, can use your cigerette lighter.
Wire the positive to the permanent live and the earth to the ignition live. When the ignition is off, the ignition live acts as an earth and the led will flash, when the ignition live is on the circuit is incomplete and it won't flash.
Perfect, you can do this yourself, take you bout a hour max.
Alex
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C2RL R
Member
Registered: 28th Mar 02
Location: Redcliffe, QLD
User status: Offline
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alternatively you could wire it to the normally closed contact of a 12v relay and use an ignition live to energise the coil.
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deano87
Member
Registered: 21st Oct 06
Location: Bedfordshire Drives: Ford Fiesta
User status: Offline
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quote:
Originally posted by FlameRedCorsa
Go to maplin and get a flashing red led, led holder and resister for 12v current.
You want a permanent live, you can use the back of your headunit and you want an ignition live, can use your cigerette lighter.
Wire the positive to the permanent live and the earth to the ignition live. When the ignition is off, the ignition live acts as an earth and the led will flash, when the ignition live is on the circuit is incomplete and it won't flash.
Perfect, you can do this yourself, take you bout a hour max.
Alex
Sounds easy enough. Which wires on the cigarette lighter?!
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pow
Premium Member
Registered: 11th Sep 06
Location: Hazlemere, Buckinghamshire
User status: Offline
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Going to look at rewiring mine now then  !
Ignition live is black on a Corsa, right?
You can buy an LED that flashes with a free sticker off Maplin for £2...
[Edited on 17-03-2007 by pow]
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